... repeatable as possible. With filament printing it's always going to take a fair bit of time and there really isn't a way to get around that. It's a serial process that requires the acceleration of massive objects. If the process is very reliable/repeatable the best way to increase productivity is probably to add another printer. Cheers, Andy (And now to bed, perchance to dream.) posted: 27 Nov 2018 02:52 from: Martin Wynne Here's a 30ft track panel in EM with 12" joint sleepers: 2_262129_120000000.png I have tried a diagonal webbing between the sleepers. Several reasons for that, probably all invalid: 1. when cutting the web rib from the sleeper, the thickness of the knife blade will bend the rib instead of forcing the sleepers apart (as happens with the usual under-rail webs). 2. the panel is flexible for curving, and will hold the sleepers square to the curve. 3. the intersection of the web ribs makes it easy to follow a drawn centre-line when tracklaying, 4 ...